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Delta Sagittae (7 Sagittae) é uma estrela … Delta Sagittae (7 Sagittae) é uma estrela na direção da constelação de Sagitta. Possui uma ascensão reta de 19h 47m 23.27s e uma declinação de +18° 32′ 03.3″. Sua magnitude aparente é igual a 3.68. Considerando sua distância de 448 anos-luz em relação à Terra, sua magnitude absoluta é igual a −2.01. Pertence à classe espectral M2II + B6.01. Pertence à classe espectral M2II + B6.
, Delta Sagittae (δ Sagittae, δ Sge) è una stella binaria nella costellazione della Freccia. Dista 582 anni luce dal sistema solare e la sua magnitudine apparente è +3,82.
, Delta Sagittae (Delta Sge, δ Sagittae, δ Sge) est une étoile binaire de la constellation de la Flèche, avec une magnitude apparente de +3,68. Elle est à environ 448 années-lumière de la Terre.
, Delta Sagittae (δ Sagittae, förkortat Delt … Delta Sagittae (δ Sagittae, förkortat Delta Sge, δ Sge) som är stjärnans Bayerbeteckning, är en dubbelstjärna belägen i den mellersta delen av stjärnbilden Pilen. Den har en kombinerad skenbar magnitud på 3,82 och är klart synlig för blotta ögat. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 5,5 mas, beräknas den befinna sig på ett avstånd av ca 590 ljusår (ca 180 parsek) från solen. ca 590 ljusår (ca 180 parsek) från solen.
, 左旗三（天箭座δ/δ Sge）是一个位于天箭座的双星，视星等3.68。主星是个红色的M型亮巨星，伴星是B型主序星。基于视差，它距离地球大约590光年。 左旗三是一个，轨道周期大约10年，偏心率0.44。 左旗三以相对太阳9.8km/s的速度在银河系里移动。它的轨道让它距离银心23,800到35,300光年。
, Delta Sagittae (Delta Sge, δ Sagittae, δ S … Delta Sagittae (Delta Sge, δ Sagittae, δ Sge) is a binary star in the constellation of Sagitta, with an apparent magnitude of +3.68. The primary component is a red M-type bright giant, and the secondary is a B-type main-sequence star. It is approximately 430 light years from Earth, based on its Gaia Data Release 2 parallax. Delta Sagittae is a spectroscopic binary with a composite spectrum, meaning that light from both stars can be detected. It has an orbital period of about 10 years and an eccentricity of about 0.44. It is also a variable star, with its brightness changing between a maximum of magnitude 3.75 and a minimum of 3.83 in an unpredictable way. Delta Sagittae is moving through the Galaxy at a speed of 9.8 km/s relative to the Sun. Its projected Galactic orbit carries it between 23,800 and 35,300 light years from the center of the Galaxy.light years from the center of the Galaxy.
, Delta Sagittae (δ Sge / 7 Sagittae / HD 18 … Delta Sagittae (δ Sge / 7 Sagittae / HD 187076J) es la segunda estrella más brillante de la constelación de Sagitta —la flecha— después de γ Sagittae. De magnitud aparente +3,68, se encuentra a una incierta distancia comprendida entre 448 años luz (obtenida por paralaje) y 565 años luz (calculada por interferometría). Delta Sagittae es una estrella binaria espectroscópica, es decir, sus dos componentes no han podido ser resueltas visualmente. La estrella primaria es una gigante roja luminosa de tipo espectral M2II cuya temperatura superficial es de unos 3630 K.Su luminosidad está comprendida entre 2800 y 4500 soles, el valor exacto dependiendo de la distancia a al que se encuentre. Tiene un radio 125 veces más grande que el radio solar, lo que equivale a un 60% de la distancia existente entre la Tierra y el Sol.Se piensa que es una estrella muy avanzada en la evolución estelar, probablemente con un núcleo inerte de carbono y oxígeno.Al igual que otras gigantes rojas es una estrella variable irregular, con una variación en su brillo de 0,08 magnitudes. La componente secundaria, con una luminosidad entre 32 y 60 veces la del Sol (dependiendo la distancia real a la que se encuentre el sistema), es una estrella de la secuencia principal de tipo A0 o B9.5. La separación media con la gigante roja es de 8,8 UA —algo menos de la distancia entre Saturno y el Sol— y su período orbital es de 10,20 años.La gigante roja tiene una masa de 3,8 masas solares y su acompañante de 2,9 masas solares.es y su acompañante de 2,9 masas solares.
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Delta Sagittae (δ Sge / 7 Sagittae / HD 18 … Delta Sagittae (δ Sge / 7 Sagittae / HD 187076J) es la segunda estrella más brillante de la constelación de Sagitta —la flecha— después de γ Sagittae. De magnitud aparente +3,68, se encuentra a una incierta distancia comprendida entre 448 años luz (obtenida por paralaje) y 565 años luz (calculada por interferometría). años luz (calculada por interferometría).
, Delta Sagittae (δ Sagittae, δ Sge) è una stella binaria nella costellazione della Freccia. Dista 582 anni luce dal sistema solare e la sua magnitudine apparente è +3,82.
, Delta Sagittae (δ Sagittae, förkortat Delt … Delta Sagittae (δ Sagittae, förkortat Delta Sge, δ Sge) som är stjärnans Bayerbeteckning, är en dubbelstjärna belägen i den mellersta delen av stjärnbilden Pilen. Den har en kombinerad skenbar magnitud på 3,82 och är klart synlig för blotta ögat. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 5,5 mas, beräknas den befinna sig på ett avstånd av ca 590 ljusår (ca 180 parsek) från solen. ca 590 ljusår (ca 180 parsek) från solen.
, Delta Sagittae (Delta Sge, δ Sagittae, δ S … Delta Sagittae (Delta Sge, δ Sagittae, δ Sge) is a binary star in the constellation of Sagitta, with an apparent magnitude of +3.68. The primary component is a red M-type bright giant, and the secondary is a B-type main-sequence star. It is approximately 430 light years from Earth, based on its Gaia Data Release 2 parallax. Delta Sagittae is moving through the Galaxy at a speed of 9.8 km/s relative to the Sun. Its projected Galactic orbit carries it between 23,800 and 35,300 light years from the center of the Galaxy.light years from the center of the Galaxy.
, Delta Sagittae (7 Sagittae) é uma estrela … Delta Sagittae (7 Sagittae) é uma estrela na direção da constelação de Sagitta. Possui uma ascensão reta de 19h 47m 23.27s e uma declinação de +18° 32′ 03.3″. Sua magnitude aparente é igual a 3.68. Considerando sua distância de 448 anos-luz em relação à Terra, sua magnitude absoluta é igual a −2.01. Pertence à classe espectral M2II + B6.01. Pertence à classe espectral M2II + B6.
, 左旗三（天箭座δ/δ Sge）是一个位于天箭座的双星，视星等3.68。主星是个红色的M型亮巨星，伴星是B型主序星。基于视差，它距离地球大约590光年。 左旗三是一个，轨道周期大约10年，偏心率0.44。 左旗三以相对太阳9.8km/s的速度在银河系里移动。它的轨道让它距离银心23,800到35,300光年。
, Delta Sagittae (Delta Sge, δ Sagittae, δ Sge) est une étoile binaire de la constellation de la Flèche, avec une magnitude apparente de +3,68. Elle est à environ 448 années-lumière de la Terre.
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Delta Sagittae
, 左旗三
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